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Extremely slow nonequilibrium monopole dynamics in classical spin ice
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Stöter, T., Doerr, M., Granovsky, S., Rotter, M., Goennenwein, S. T. B., Zherlitsyn, S., Petrenko, Oleg, Balakrishnan, G., Zhou, H. D. and Wosnitza, J. (2020) Extremely slow nonequilibrium monopole dynamics in classical spin ice. Physical Review B, 101 (22). 224416. doi:10.1103/PhysRevB.101.224416 ISSN 2469-9950.
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Official URL: http://dx.doi.org/10.1103/PhysRevB.101.224416
Abstract
We report on the nonequilibrium monopole dynamics in the classical spin ice Dy2Ti2O7 detected by means of high-resolution magnetostriction measurements. Significant lattice changes occur at the transition from the kagome-ice to the saturated-ice phase, visible in the longitudinal and transverse magnetostriction. A hysteresis opening at temperatures below 0.6 K suggests a first-order transition between the kagome and saturated state. Extremely slow lattice relaxations, triggered by changes of the magnetic field, were observed. These lattice relaxation effects result from nonequilibrium monopole formation or annihilation processes. The relaxation times extracted from our experiment are in good agreement with theoretical predictions with decay constants of the order of 104 s at 0.3 K.
Item Type: | Journal Article | |||||||||||||||
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Subjects: | Q Science > QC Physics | |||||||||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | |||||||||||||||
Library of Congress Subject Headings (LCSH): | Quantum chromodynamics, Spin waves , Magnetostriction , Rotational motion | |||||||||||||||
Journal or Publication Title: | Physical Review B | |||||||||||||||
Publisher: | American Physical Society | |||||||||||||||
ISSN: | 2469-9950 | |||||||||||||||
Official Date: | 11 June 2020 | |||||||||||||||
Dates: |
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Volume: | 101 | |||||||||||||||
Number: | 22 | |||||||||||||||
Article Number: | 224416 | |||||||||||||||
DOI: | 10.1103/PhysRevB.101.224416 | |||||||||||||||
Status: | Peer Reviewed | |||||||||||||||
Publication Status: | Published | |||||||||||||||
Reuse Statement (publisher, data, author rights): | © 2020 American Physical Society | |||||||||||||||
Access rights to Published version: | Restricted or Subscription Access | |||||||||||||||
Copyright Holders: | American Physical Society | |||||||||||||||
Date of first compliant deposit: | 18 June 2020 | |||||||||||||||
Date of first compliant Open Access: | 18 June 2020 | |||||||||||||||
RIOXX Funder/Project Grant: |
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